In the Endurance Analytics catalog · 20 races in the sample · 2026 · SUI · 10–∞ km
| # | Race | Gain per kilometre, m/km ↓ |
|---|---|---|
| 1 | Matterhorn Ultraks ExtremeMatterhorn UltraksSUI · 2026 · 15.6 km | 89 |
| 2 | Sierre-ZinalSierre-ZinalSUI · 2026 · 31.1 km | 79 |
| 3 | Matterhorn Ultraks SkyMatterhorn UltraksSUI · 2026 · 48.6 km | 73 |
| 4 | E35 - North Face TrailEiger Ultra Trail by UTMBSUI · 2026 · 35.6 km | 72 |
| 5 | Wild 70Wildstrubel by UTMBSUI · 2026 · 69.6 km | 69 |
| 6 | E101 Ultra TrailEiger Ultra Trail by UTMBSUI · 2026 · 98.1 km | 68 |
| 7 | X-AlpineTrail Verbier St-Bernard by UTMBSUI · 2026 · 136.1 km | 67 |
| 8 | X-TraverseeTrail Verbier St-Bernard by UTMBSUI · 2026 · 74.8 km | 67 |
| 9 | Wild 110Wildstrubel by UTMBSUI · 2026 · 110.4 km | 67 |
| 10 | Wild 50Wildstrubel by UTMBSUI · 2026 · 53.1 km | 66 |
| 11 | X-PloreTrail Verbier St-Bernard by UTMBSUI · 2026 · 27.2 km | 65 |
| 12 | E250 - UNESCO TrailEiger Ultra Trail by UTMBSUI · 2026 · 262.5 km | 63 |
| 13 | Matterhorn Ultraks MountainMatterhorn UltraksSUI · 2026 · 31.8 km | 62 |
| 14 | Trail SurpriseEiger Ultra Trail by UTMBSUI · 2026 · 12.1 km | 61 |
| 15 | E51 Panorama TrailEiger Ultra Trail by UTMBSUI · 2026 · 51.6 km | 59 |
| 16 | Matterhorn Ultraks ActiveMatterhorn UltraksSUI · 2026 · 18.9 km | 57 |
| 17 | Transalpine RunTransalpine RunSUI · 2026 · 240.1 km | 57 |
| 18 | Jungfrau-MarathonJungfrau-MarathonSUI · 2026 · 42.0 km | 53 |
| 19 | E16 - Pleasure TrailEiger Ultra Trail by UTMBSUI · 2026 · 16.8 km | 49 |
| 20 | Transalpine Run RUN2Transalpine RunSUI · 2026 · 68.6 km | 47 |